/Engine/Plugins/Online/OnlineServices/Source/OnlineServicesCommon/Public/Online/SessionsCommon.h
This event will trigger as a result of receiving a session invite.
virtual [TOnlineEvent](API\Plugins\OnlineServicesInterface\Online\TOnlineEvent)< void(const [FSessionInviteReceived](API\Plugins\OnlineServicesInterface\Online\FSessionInviteReceived) &)> OnSessionInviteReceived()